HBC will ALWAYS use IOS61. That is why if you "dop" this IOS, you will get an upside down HBC. How were you trying to install DVDx?

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Not true; it chooses the best, Nintendo-sanctioned IOS. I got HBC 1.0.6 to use IOS36.

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Sorry. Tends to default to IOS61, unless you play around with your IOS's. But that's pretty much a moot point at the moment because it doesn't relate to the problem the OP is receiving. His error code is saying that the installer cannot find a trucha-bug-enabled IOS. The fix is to simply enable it. Done deal.

It shouldn't. He mentioned HBC, so if he's doing it that way, he's using an older/cusotm DVDx install?? In which case he needs to restore trucha and remove stub IOS (latter if using 4.2). Otherwise he can use BannerBomb to run HackMii to install DVDx, as you mentioned.